SURGE CAPACITY/FIELD HOSPITAL SHELTER SYSTEMS PER COMPONENT. Surge Capacity Shelters include double interlocking air berms with inflation ports at each end, F-INSULCAN double insulated canopies, F-FLDS integral closed air duct \'plenum\' system, F-STRSCR. Polypropylene Strip Screens\' for bump thru entry/exit w. minimal air flow disruption in man door areas. All surge shelters are designed to connect the isolation shelter to a central \'hub\' shelter in the middle via double sided HD Velcro attachment points around the supplied four full man entry doors (1 on ea. side and one on ea. end) from each surge capacity patient shelter unit. Thus like size shelters can be attached end to end or side to side via the supplied side man doors